<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>05_条件渲染</title>
</head>
<body>
<!--
1. 条件渲染指令
  v-if
  v-else
  v-show
2. 比较v-if与v-show
  如果需要频繁切换 v-show 较好
-->

<div id="demo">
    <p v-if="ok">表白成功</p>
    <p v-else>表白失败</p>

    <hr>
    <p v-show="ok">求婚成功</p>
    <p v-show="!ok">求婚失败</p>

    <button @click="ok=!ok">切换</button>
</div>

<script type="text/javascript" src="../js/vue.js"></script>
<script type="text/javascript">
    const vm = new Vue({
        el: '#demo',
        data: {
            ok: false
        }
    })

</script>
</body>
</html>